Top Questions

0 votes
0 answers
27 views

Procedural Atmosphere for exoplanet - pseudorealistic composition, pressure etc

7 votes
7 answers
1k views

Industrial applications of high gravity

1 vote
3 answers
108 views

How to transport troops from surface to orbit?

5 votes
8 answers
514 views

Can "innate" magic exist without fostering elitism?

12 votes
16 answers
3k views

Why are scout bots only used for reconnaissance?

7 votes
15 answers
3k views

Hiding a star cluster

-2 votes
1 answer
42 views

Ancient Mars & Human Habitation

7 votes
12 answers
5k views

Valid reason for not having plate armor in early medieval, low-magic fantasy setting?

5 votes
4 answers
2k views

A canal between two rivers

6 votes
2 answers
2k views

Could dragons be cold-blooded?

40 votes
19 answers
9k views

Can we build a roguelike maze?

12 votes
10 answers
3k views

How to efficiently transport troops from orbit

10 votes
9 answers
4k views

What is the most logical way to have my dragon breathe lightning? [closed]

6 votes
9 answers
2k views

Industrial Geothermal smelting power

3 votes
1 answer
230 views

Could these Humanoid/Reptilian shoulders support legs?

4 votes
3 answers
549 views

A brood parasite that mimics humans, plausible?

1 vote
0 answers
50 views

The calculation of sky surface brightness based on the apparent magnitude of the light source [closed]

2 votes
1 answer
109 views

Is my climate map plausible?

11 votes
4 answers
3k views

What would be easily missed, but undeniable, proof of life from non-advanced detectors?

0 votes
1 answer
118 views

Determining the qualities of a quill based on the qualities of the bird [closed]

10 votes
3 answers
451 views

How close can I get to a nuclear explosion with extreme shielding?

6 votes
7 answers
2k views

How can I make two hearts work?

0 votes
0 answers
74 views

How do Mermaids Create Fire? [duplicate]

3 votes
6 answers
296 views

Could a bird evolve into something like a Gryphon?

11 votes
6 answers
3k views

Is this diesel gun concept feasible?

3 votes
1 answer
78 views

Calculating the Amount of Time for the Precession of the Equinoxes [duplicate]

1 vote
1 answer
228 views

Acetylene Manufacture: How would Mermaids do it?

8 votes
4 answers
2k views

Is it possible for an animal to have a plant stage in its life cycle? [duplicate]

2 votes
3 answers
199 views

Bronze Age phonograph

21 votes
9 answers
4k views

What can be used as a galaxy-wide time reference?

6 votes
2 answers
1k views

How might civilization develop if hunter-gatherers and/or early agrarian civilizations had access to highly advanced technology? [closed]

4 votes
3 answers
186 views

What conditions would be required to create several deep creeks in the same area?

0 votes
1 answer
64 views

F type and K type Star Binary

11 votes
8 answers
3k views

What danger would a mummy pose if resurrected where they need to cover/protect its body?

30 votes
14 answers
7k views

A planet with changing gravity?

10 votes
6 answers
679 views

How would a virus that only kills one sex work?

8 votes
15 answers
2k views

Good reasons the powerful good guys don't fight the powerful bad guys

49 votes
18 answers
10k views

I have a superpower that no-one can say "no" to me. How can I get informed consent?

1 vote
1 answer
71 views

What sort of mount would a naga use and how? [closed]

3 votes
5 answers
382 views

How can I establish a long term banking system for the Medieval period?

-2 votes
0 answers
76 views

Halo MAC cannon fired toward a planet [closed]

8 votes
7 answers
2k views

Hard sci-fi super weapons?

14 votes
7 answers
2k views

What effect do caves have on music played in them?

6 votes
1 answer
350 views

Could you breed livestock with structurally colored wool?

3 votes
2 answers
1k views

What is the minimum size of a natural satellite needed to shield radio telescope signals from its planet?


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